<div class="modal-header">
      <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
      <h4 class="modal-title"><i class="fa fa-eye"></i> 文件预览</h4>
  </div>
<div class="modal-body">
$!obj
</div>
<div class="modal-footer">
     <button type="button" class="btn btn-primary" data-dismiss="modal">确 定</button>
</div>
